Finding the Fourth Proportional to 73,723.63, 110,585.45 and 18,319.63
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Solution
The fourth proportional to 73,723.63, 110,585.45 and 18,319.63 is: 27,479.45
Step by Step Solution
- Step 1: Write the proportion equation
73,723.63 : 110,585.45 = 18,319.63 : x - Step 2: Convert to fraction form
73,723.63/110,585.45 = 18,319.63/x - Step 3: Cross multiply
73,723.63x = 110,585.45 × 18,319.63 - Step 4: Simplify right side
73,723.63x = 2,025,884,527.38 - Step 5: Solve for x
x = 2,025,884,527.38/73,723.63 - Step 6: Final answer
x = 27,479.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.